Thoros of Myr: Thoros (Paul Kaye) appears for the first time in Season Three. He is the red priest of the Lord of Light and close to Melisandre. He’s also a skilled warrior would could get Stannis back on his feet. Back Story: Thoros is from the Free City of Myr and a member of the King’s Landing court. He was given to the red priests of R’hllor at a young age and later becomes a key player in the Brotherhood Without Banners.